flutter: apk sign + zip align fixes

Author: DarthBenro008

flutter.sh

@@ -15,6 +15,11 @@ git clone https://github.com/flutter/flutter "${FLUTTER_ROOT}"
 export PATH="${FLUTTER_ROOT}/bin:${PATH}"
 
 
+errorHandler(){
+  echo -e "${RED}Error Due to : $1 ${NC}"
+  exit 1
+}
+
 sendpackage(){
   echo -e "${GREEN}Package Name is set to $packageName${NC}"
   output=$(curl --location --request POST 'http://appbrickie.herokuapp.com/api/sendPackage' \
@@ -34,13 +39,15 @@ sendpackage(){
     }
 
   apkSigner(){
+    curl https://dl.google.com/android/repository/build-tools_r29.0.3-linux.zip --output "$GITHUB_WORKSPACE/build-tools.zip" 
+    unzip -q -o $GITHUB_WORKSPACE/build-tools.zip -d $GITHUB_WORKSPACE
     echo -e "${GREEN} This app is being signed with a custom key ${NC}"
     ksPassword=$INPUT_KEYSTOREPASSWORD
     kAlias=$INPUT_KEYALIAS
     echo "$INPUT_KEYSTORE" | base64 --decode > key.jks
     {
-      $ANDROID_HOME/build-tools/*/zipalign -v -p 4 build/app/outputs/apk/release/$packageName build/app/outputs/apk/release/$packageName
-      bash $ANDROID_HOME/build-tools/*/apksigner sign --ks key.jks --ks-key-alias $kAlias --ks-pass env:INPUT_KEYPASSWORD --out build/app/outputs/apk/release/$packageName build/app/outputs/apk/release/$packageName
+      $GITHUB_WORKSPACE/android-10/zipalign -v -p 4 build/app/outputs/apk/release/$builtPackageName build/app/outputs/apk/release/$builtPackageName
+      bash $GITHUB_WORKSPACE/android-10/apksigner sign --ks key.jks --ks-key-alias $kAlias --ks-pass env:INPUT_KEYPASSWORD --out build/app/outputs/apk/release/$builtPackageName build/app/outputs/apk/release/$builtPackageName
     }||{
       errorHandler "Failed to sign apk!"
     }
@@ -53,40 +60,48 @@ flutter precache
 yes "y" | flutter doctor --android-licenses
 flutter doctor -v
 flutter upgrade
+
+#Firebase extraction
 if [ -z "$INPUT_FIREBASE" ]
 then 
   :
 else
   echo "$INPUT_FIREBASE" > android/app/google-services.json
-  if [ -z "$INPUT_ABI" ]
-  then 
-    flutter build apk
-  else
-    flutter build apk --split-per-abi
-    echo -e "${GREEN}ABI Target set to $INPUT_ABI-release ${NC}"
-    case $INPUT_ABI in
-      $v7a )
-        builtPackageName="app-armeabi-v7a-release.apk"
-        ;;
-      $v8a )
-        builtPackageName="app-arm64-v8a-release.apk"
-        ;;
-      $x86 )
-        builtPackageName="app-x86_64-release.apk"
-        ;;
-      * )
-        builtPackageName=$packageName
-        ;;
-    esac
-  fi
-fi 
+fi
+
+#Target
+if [ -z "$INPUT_ABI" ]
+then 
+  flutter build apk
+else
+  flutter build apk --split-per-abi
+  echo -e "${GREEN}ABI Target set to $INPUT_ABI-release ${NC}"
+  case $INPUT_ABI in
+    $v7a )
+      builtPackageName="app-armeabi-v7a-release.apk"
+      ;;
+    $v8a )
+      builtPackageName="app-arm64-v8a-release.apk"
+      ;;
+    $x86 )
+      builtPackageName="app-x86_64-release.apk"
+      ;;
+    * )
+      builtPackageName=$packageName
+      ;;
+  esac
+fi
+
+
+# KeySign
 if [ -z "$INPUT_KEYSTORE" ]
 then 
   :
 else 
   apkSigner
 fi
 
+#Final Process
 if [ -z "$INPUT_PACKAGENAME" ]
 then
   packageName=$builtPackageName